The two old rivals had been feuding since before anyone could remember.

这两个老对手从很久以前就开始斗争了。

It was the constant feuding that eventually drove him to leave the company.

正是这种不断的争斗最终促使他离开了公司。

Someone might walk out on a stage and say, "In fair Verona where we lay our scene!" and then tell all about the feuding families of Romeo and Juliet.

可能会有人走到舞台上，说：“在美丽的维罗纳，我们的故事在这里发生！”，然后讲述关于罗密欧与朱丽叶两家不和的所有故事。

Meanwhile, a feuding Tracy and Jenna switch roles to determine whose life is harder;

同时，一个不和的特雷西和珍娜切换角色确定的生活是艰难的；